refactoring of polygon and cylinder class
added new files
Merge branch 'groovy_dev' of github.com:ipa320/cob_environment_perception into review-320
moved merged_limit to shape class
Merge pull request #25 from ipa-goa-sf/master

fixed nan-cluster bug
refactoring
refactoring
removed obsolete package
fixed marker
Merge branch 'groovy_dev' of github.com:ipa320/cob_environment_perception into review-320
Merge branch 'review-320'